Layoffs at Alector
- Layoff events
- 4
- verified and sourced
- Roles reported
- 171
- roles in total
- Announced between
- Mar 2023 to Oct 2025
- Reported by
- WARNTracker / U.S. Department of Labor WARN data, SFGATE, U.S. Securities and Exchange Commission, Alector, and Fierce Biotech
This page records what we could verify and source. It is not a complete record of every job cut at Alector: a layoff nobody published and nobody sent us is a layoff that is not on this page.
| Company | What happened | Roles reported | Share of staff | Where | Announced | Sources |
|---|---|---|---|---|---|---|
| Alector |
Pipeline setback
Alector filed a California WARN notice for 75 layoffs after its GSK-partnered latozinemab Phase 3 study failed, triggering a major workforce reduction. |
75 | Not known | 131 Oyster Point Boulevard, Suite 600, South San Francisco, United States | ||
| Alector |
Restructuring
Alector announced a cost-reduction plan affecting approximately 25 employees as it realigned resources toward its strategic research priorities. |
25 | Not known | Company-wide |
2 sources for Alector |
|
| Alector |
Pipeline setback
Alector announced a workforce reduction affecting 41 employees, about 17% of headcount, after its Phase 2 Alzheimer's program failed to slow disease progression. |
41 | Not known | United States |
2 sources for Alector |
|
| Alector |
Restructuring
Alector announced a restructuring expected to affect 30 employees, about 11% of headcount, while prioritizing later-stage immuno-neurology programs. |
30 | Not known | United States |
1 source for Alector |
Where this comes from
Every cut listed for Alector was entered by a person who checked it against a filing or a named report. Nothing is scraped and nothing publishes itself. What is not here is what we have not verified, not what did not happen.
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